Home / 912,229.10-1,368,343.65-874,904.30

Finding the Fourth Proportional to 912,229.10, 1,368,343.65 and 874,904.30

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Solution

The fourth proportional to 912,229.10, 1,368,343.65 and 874,904.30 is: 1,312,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,229.10 : 1,368,343.65 = 874,904.30 : x
  2. Step 2: Convert to fraction form
    912,229.10/1,368,343.65 = 874,904.30/x
  3. Step 3: Cross multiply
    912,229.10x = 1,368,343.65 × 874,904.30
  4. Step 4: Simplify right side
    912,229.10x = 1,197,169,743,262.70
  5. Step 5: Solve for x
    x = 1,197,169,743,262.70/912,229.10
  6. Step 6: Final answer
    x = 1,312,356.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.